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Finding the Fourth Proportional to 191.10, 263.12 and 175.50

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Solution

The fourth proportional to 191.10, 263.12 and 175.50 is: 241.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.10 : 263.12 = 175.50 : x
  2. Step 2: Convert to fraction form
    191.10/263.12 = 175.50/x
  3. Step 3: Cross multiply
    191.10x = 263.12 × 175.50
  4. Step 4: Simplify right side
    191.10x = 46,177.56
  5. Step 5: Solve for x
    x = 46,177.56/191.10
  6. Step 6: Final answer
    x = 241.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.